Cascaded Photonic Crystal Fiber Interferometers for Refractive Index Sensing

Cascaded Photonic Crystal Fiber Interferometers for Refractive Index Sensing

We present a cascaded fiber device based on photonic crystal fiber (PCF) interferometers for refractive index (RI) sensing. The PCF modal interferometers have microbubbles at both sides of the splice regions. The microbubbles act as thick diverging lens that scatter light for efficient excitation of...

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Bibliographic Details
Main Authors: Jun Long Lim, Dora Juan Juan Hu, Perry Ping Shum, Yixin Wang
Format: Article
Language:English
Published: IEEE 2012-01-01
Series:IEEE Photonics Journal
Subjects:
Photonic crystal fibers (PCFs)
interferometer
sensors
fiber optics systems
Online Access:https://ieeexplore.ieee.org/document/6225414/
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spelling doaj-2fde4f03c6524b6593720c3216d73c8f2021-03-29T17:13:19ZengIEEEIEEE Photonics Journal1943-06552012-01-01441163116910.1109/JPHOT.2012.22059116225414Cascaded Photonic Crystal Fiber Interferometers for Refractive Index SensingJun Long Lim0Dora Juan Juan Hu1Perry Ping Shum2Yixin Wang3<formula formulatype="inline"><tex Notation="TeX">$^{1}$</tex></formula>RF and Optical Department, Institute for Infocomm Research , Agency for Science, Technology, and Research (A<formula formulatype="inline"><tex Notation="TeX">$^{ \ast}$</tex></formula>STAR), Singapore<formula formulatype="inline"><tex Notation="TeX">$^{1}$</tex></formula>RF &amp; Optical Department, Institute for Infocomm Research, Agency for Science, Technology and Research (A<formula formulatype="inline"> <tex Notation="TeX">$^{\ast}$</tex></formula>STAR), Singapore<formula formulatype="inline"><tex Notation="TeX">$^{2}$</tex></formula>OPTIMUS, Photonics Centre of Excellence, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore<formula formulatype="inline"><tex Notation="TeX">$^{1}$</tex></formula>RF &amp; Optical Department, Institute for Infocomm Research, Agency for Science, Technology and Research (A<formula formulatype="inline"> <tex Notation="TeX">$^{\ast}$</tex></formula>STAR), SingaporeWe present a cascaded fiber device based on photonic crystal fiber (PCF) interferometers for refractive index (RI) sensing. The PCF modal interferometers have microbubbles at both sides of the splice regions. The microbubbles act as thick diverging lens that scatter light for efficient excitation of higher order cladding modes and attenuation of the core modes in the transmitted spectrum. Three resonance wavelengths are monitored, and their corresponding RI sensitivities are found to be 252, 187, and 207 nm/refractive index unit (RIU). The results, to our best knowledge, demonstrate that PCF interferometers with microbubbles are repeatable for high RI sensitivity, and the best crosstalk achievable is 0.295 nm/RIU.https://ieeexplore.ieee.org/document/6225414/Photonic crystal fibers (PCFs)interferometersensorsfiber optics systems
collection DOAJ
language English
format Article
sources DOAJ
author Jun Long Lim
Dora Juan Juan Hu
Perry Ping Shum
Yixin Wang
spellingShingle Jun Long Lim
Dora Juan Juan Hu
Perry Ping Shum
Yixin Wang
Cascaded Photonic Crystal Fiber Interferometers for Refractive Index Sensing
IEEE Photonics Journal
Photonic crystal fibers (PCFs)
interferometer
sensors
fiber optics systems
author_facet Jun Long Lim
Dora Juan Juan Hu
Perry Ping Shum
Yixin Wang
author_sort Jun Long Lim
title Cascaded Photonic Crystal Fiber Interferometers for Refractive Index Sensing
title_short Cascaded Photonic Crystal Fiber Interferometers for Refractive Index Sensing
title_full Cascaded Photonic Crystal Fiber Interferometers for Refractive Index Sensing
title_fullStr Cascaded Photonic Crystal Fiber Interferometers for Refractive Index Sensing
title_full_unstemmed Cascaded Photonic Crystal Fiber Interferometers for Refractive Index Sensing
title_sort cascaded photonic crystal fiber interferometers for refractive index sensing
publisher IEEE
series IEEE Photonics Journal
issn 1943-0655
publishDate 2012-01-01
description We present a cascaded fiber device based on photonic crystal fiber (PCF) interferometers for refractive index (RI) sensing. The PCF modal interferometers have microbubbles at both sides of the splice regions. The microbubbles act as thick diverging lens that scatter light for efficient excitation of higher order cladding modes and attenuation of the core modes in the transmitted spectrum. Three resonance wavelengths are monitored, and their corresponding RI sensitivities are found to be 252, 187, and 207 nm/refractive index unit (RIU). The results, to our best knowledge, demonstrate that PCF interferometers with microbubbles are repeatable for high RI sensitivity, and the best crosstalk achievable is 0.295 nm/RIU.
topic Photonic crystal fibers (PCFs)
interferometer
sensors
fiber optics systems
url https://ieeexplore.ieee.org/document/6225414/
work_keys_str_mv AT junlonglim cascadedphotoniccrystalfiberinterferometersforrefractiveindexsensing
AT dorajuanjuanhu cascadedphotoniccrystalfiberinterferometersforrefractiveindexsensing
AT perrypingshum cascadedphotoniccrystalfiberinterferometersforrefractiveindexsensing
AT yixinwang cascadedphotoniccrystalfiberinterferometersforrefractiveindexsensing
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